The core helium flash revisited - II. Two and three-dimensional hydrodynamic simulations

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Volume 501 / No 2 (July II 2009)

A&A, 501 2 (2009) 659-677

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Table 2:

Some properties of the two and three-dimensional simulations: number of grid points in r (N_r), $\theta$ ( $N_{\theta }$ ) and, $\phi$ ( $N_{\phi }$ ) direction, spatial resolution in r ( $\Delta r$ in 10⁶ cm), $\theta$ ( $\Delta \theta$ ), and $\phi$ ( $\Delta \phi$ ) direction, characteristic velocity $v_{\rm c}$ (in 10 $^{6}\mbox{~cm~s${}^{-1}$ }$ ) of the flow, expansion velocity at temperature maximum $v_{\rm exp}$ (in $\mbox{~cm~s${}^{-1}$ }$ ), typical convective turnover timescale $\tau _{\rm cnv}$ (in s) and maximum evolutionary time $t_{\rm max}$ (in s), respectively.
run	grid	$\Delta r$	$\Delta \theta$	$\Delta \phi$	$v_{\rm c}$	$v_{\rm exp}$	$\tau _{\rm cnv}$	$t_{\rm max}$
hefl.2d.a	$180\times90$	5.55	1.33 $^\circ$	-	1.44	24.	650	9500
hefl.2d.b	$360\times240$	2.77	0.75 $^\circ$	-	1.84	92.	510	130 000
hefl.3d	$180\times90\times90$	5.55	1.33 $^\circ$	1.33 $^\circ$	0.85	10.	1105	6000

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